"He's a big boy," the proud dad added. "He's quite heavy. We're still working on a name. We'll have that as soon as we can." Catherine, or Kate as she known, said becoming a parent has been an "emotional" experience.

"It's very emotional," the new mom, who was wearing Jenny Packham, told the press on Tuesday. "It's such a special time. I think any parent having [a child will] know what this feeling feels like."

"It's very special," her husband added.

The Prince made a joke about his baby's arrival, which came after many suspected Kate was due.

"I'll remind him of his tardiness when he's a bit older, because I know how long you've all been sat out here. ... Hopefully and you guys can go back to normal now and we can look after him," William said.

The tiny tot didn't make a peep as his parents held him in front of the world, and dad was already beaming over his baby's beautiful little face